Doctor blade

Details Doctor blade Doctor blade

D - Textiles, Paper

21

G

D21G 3/00 (2006.01) B41F 15/44 (2006.01) D21G 3/02 (2006.01) D21G 3/04 (2006.01)

Patent

CA 2343417

A doctor blade for use in cleaning of a roll in a paper machine. The doctor blade comprises a thermosetting plastic polymer material, whose glass transition temperature Tg is 20...30 °C higher than its operating temperature, and the resistance of the material to impacts is high.

L'invention concerne une racle destinée à être utilisée pour nettoyer un cylindre d'une machine à papier. Cette racle est fabriquée dans un matériau plastique polymère thermodurcissable dont la température de transition vitreuse Tg est entre 20 et 30 DEG C supérieure à sa température de fonctionnement, la résistance aux impacts de ce matériau étant par ailleurs élevée.

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